Micron Technology (MU), the leading-edge memory chip design and manufacturer,will release its fiscal Q3 earnings on Wednesday, June 26. The company has said it’s due to return to free cash flow profitability. This could be charging heavy put options activity. The Barchart Unusual Stock Options Activity Report for Wednesday, June 19, shows that this stock had the heaviest options activity yesterday. Over 27,600 put options were traded yesterday at the $150 strike price expiring on June 21. That was over 89 times the prior outstanding number of contracts. Since MU stock closed at $153.45 per sha…